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jonnydark

HN member
Joined
Thu, Sep 19, 2013, 1:38 PM UTC
HN karma
22
Public activity
14 items

About jonnydark

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Recent public activity

  1. comment
    Comment #13752729

    The balancing stems from an inverted-pendulum problem, and that's something that's reasonably well understood in robotics https://en.wikipedia.org/wiki/Inverted_pendulum Of course …

  2. comment
    Comment #8680836

    From what I can tell the writer is arguing that abstractions and encapsulations are wasteful of resources. The author claims that this is an inherent problem of abstractions and a …

  3. comment
    Comment #8273055

    It's a bladeless fan, not a fanless fan. It works using an impeller in the base and it feeds the air through a thin gap in an annulus shaped aerofoil. Strictly speaking you could a…

  4. comment
    Comment #8272813

    It'd give somewhat better traction but at the same time you increase the likelihood of stalling your motors. How does the machine know if the motors are stalling because there's so…

  5. comment
    Comment #8268230

    Haven't got a ruler to hand but it's about 4-5 inches. It's not very wide compared to others, hence why it looks tall.

  6. comment
    Comment #8268173

    The innovation is mostly in using the monoscopic 360 degree camera in such a way that it can do SLAM.

  7. comment
    Comment #7592081

    I tend to try and avoid "the zone" because I'll often find I'm holding too many ideas in my head rather than in the code and as such I'm not expressing myself well in code. I used …

  8. comment
    Comment #7573050

    In the USA

  9. comment
    Comment #7572177

    It verifies that you're actually connected to the server and it is listening to you rather than just some dumb box that keeps nodding and replying with "OK" with glazed over eyes r…

  10. comment
    Comment #7514255

    But it's not just HTML and CSS - you need to create a completely new user journey because you can't make asynchronous requests to the server. In some instances you may even need to…

  11. comment
    Comment #6620757

    I've been at a Hackathon for the last 15 hours and we've cobbled together a text message service that you can ask questions to and it responds in the style of Yoda. It's imaginativ…

  12. comment
    Comment #6598440

    Join the ranks of VIMmers! One of us! One of us!

  13. comment
    Comment #6482254

    I am reminded of the Henry Ford quote "If I had asked people what they wanted, they would have said faster horses." The design idioms seen in Gnome 2 and Windows 7 are essentially …

  14. comment
    Comment #6456011

    It's not just prestige though, it's also legitimacy. Scientific journals have formal peer review and it is this process that is supposed to ensure that papers that get published ar…